4 layers36.5 × 69 mm
Storm tracker
solderable/storm-tracker-hardware
Open-source-ready Storm Tracker hardware design, documentation, BOM, and manufacturing package
102 parts58
Boards using the SHT40-AD1B-R2
42 boardsBoards in 41 GitHub repositories, designed in KiCad, that use the SHT40-AD1B-R2 by Sensirion. See how each wires it, with its parts, size, README and files; the SHT40-AD1B-R2’s symbol, footprint and pinout are on its own page.
- 4 layers85 × 56 mm
- 4 layers34 × 79.2 mm
Sensor epaper
Miceuz/paper-wifi
Low power E-paper display devboard with WiFi and BLE connectivity. Open source hardware.
92 parts28 - 2 layers41.5 × 35 mm
Desk dashboard
rspolyak/desk-dashboard-hw
ESP32-S3 desk dashboard board that plugs straight into a 3.5" MSP3526 capacitive touch display. USB-C powered, with a light sensor, SHT40 temperature/humidity sensor and a 41.5 × 35 mm 2-layer PCB
36 parts9MIT - 4 layers66 × 36 mm
Gas sensor
JamesTwallin/gas_sensor
A tiny plug-in board for the rev E phone-companion board. It stands upright in a notch in rev E's sensor end, between the two gas sensor cans, and pokes 4.5 mm out through a slot in the case face, so its tip sits in the…
81 parts7MIT - 4 layers90 × 50 mm
- 2 layers60 × 40 mm
AMUN
Summanuss/openairqmonitor
Open source hardware to monitor temperature, humidity and VOC in an indoor environment
47 parts1Apache-2.0 - 4 layers47.1 × 45.3 mm
Mixed signal Board Rev D
Akhilesh-design-02/STM32F407-Hardware-Design
4-layer STM32F407 mixed-signal PCB design featuring I2C/I2S/USB interfaces, SGP40 & SHT40 sensors, power plane splits, and star grounding for noise isolation.
92 parts - 2 layers63.5 × 41.5 mm
RoofEsp
alex1klimovich/esp32-solar-attic-fan-controller
ESP32 solar attic fan controller with custom power, sensing, USB-C, and JLCPCB-ready hardware
53 parts - 2 layers50 × 40 mm
Esp32c3-sensor node
Alexden28/esp32c3-sensor-node-pcb
2-layer ESP32-C3 + SHT40 USB-C sensor node in KiCad 10, generated from Python, autorouted, ERC/DRC clean, with Gerbers/BOM/CPL/STEP
28 partsMIT - 2 layers64 × 46 mm
- 2 layers33 × 34 mm
- 2 layers100 × 80 mm
ExitIQ
Binita126/ExitIQ
ExitIQ: ESP32-S3 Edge-AI Emergency Evacuation Guidance Terminal (Vishwakarma Awards 2026 Stage 2)
74 parts - 4 layers56 × 52 mm
EdgeLink S3 Cellular
CDonohoe-Designs/EdgeLink_S3_Cellular
EdgeLink S3 Cellular is a four-layer embedded hardware platform combining an ESP32-S3 controller, SIM7080G cellular/GNSS modem, USB-C, battery power management and environmental/motion sensing.
114 parts - 2 layers96.5 × 90.7 mm
ColoradoCUBE Payload
coloradocube/bus-sensors
A separate board containing the sensors for the satellite bus. The sensors are the telemetry data sources.
58 parts - 2 layers140 × 64 mm
Thermostat v3
Connicpu/thermostat
DIY Zigbee thermostat (ESP32-C6) with day/night schedule and a Home Assistant Lovelace card
101 partsMIT - 4 layers65 × 56 mm
Sensor HAT
Eniemooo/Sensor-HAT
Open-hardware indoor air sensor (CO2, VOC/NOx, T/RH, light, sound): HAT for Raspberry Pi or standalone with Seeed XIAO + ESPHome. KiCad 10.
112 parts - 6 layers160 × 100 mm
- 2 layers30 × 60 mm
Rp2040
Gaitch/KiCad-Blockwoche
Unter Debian/Ubuntu kann KiCad mit den folgenden Befehlen installiert werden:
39 parts - 4 layers41.2 × 80 mm
- 2 layers60 × 77.7 mm
- 2 layers30 × 28 mm
ESP32-C6 Temp Sensor
IN4148/Open-Source-Temperature-Sensor-ESP32-C6
Ablage für den Anhang meiner Bachelorarbeit im Studiengang Elektronik der FH Technikum Wien
35 parts - 2 layers40.7 × 52.1 mm
Probe
JamieG/temp-sensor
A wireless temperature monitoring system: small battery-powered probes broadcast temperature, humidity, and battery level over BLE, and a Wi-Fi-connected hub collects those readings and uploads them to a webhook.
11 parts - 4 layers54 × 120 mm
Kartonaut
Jan-Philipp-Munsch/kartonaut
TVC model rocket (after BPS.space Scout F): Teensy 4.1 flight firmware, mainboard spec, project log
174 partsMIT